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How do I declare class-level properties in Objective-C?
...mething that's equivalent to a static variable? E.g. only one instance for all types of Foo?
To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDicti...
Why historically do people use 255 not 256 for database field magnitudes?
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The importance in disk space (and index space) is not because 256 may fit in a page but because 1 byte vs 2 bytes (for millions/billions/trillions rows) makes a big difference.
– ypercubeᵀᴹ
Apr 28 '15 at 13:23
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ObjectiveC Parse Integer from String
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NSArray *_returnedArguments = [serverOutput componentsSeparatedByString:@":"];
_returnedArguments is an array of NSStrings which the UITextField text property is expecting. No need to convert.
Syntax error:
[_appDelegate loggedIn...
What is the best way to remove accents (normalize) in a Python unicode string?
I have a Unicode string in Python, and I would like to remove all the accents (diacritics).
8 Answers
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How to include JavaScript file or library in Chrome console?
... aware of the fact that even getElementById() doesn't work consistently on all browsers - see this answer for details.)
UPDATE:
It's been years since I wrote this answer and I think it's worth pointing out here that today you can use:
SystemJS
ModuleLoader
jspm.io
to dynamically load scripts...
Gson: Directly convert String to JsonObject (no POJO)
... answered Dec 24 '10 at 15:27
Dallan QuassDallan Quass
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Object comparison in JavaScript [duplicate]
...ely there is no perfect way, unless you use _proto_ recursively and access all non-enumerable properties, but this works in Firefox only.
So the best I can do is to guess usage scenarios.
1) Fast and limited.
Works when you have simple JSON-style objects without methods and DOM nodes inside:
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How do BitTorrent magnet links work?
...rk2 operating a "distributed hash table" (DHT). A DHT is a big distributed index which maps torrents (identified by infohashes) to lists of peers (identified by IP address and ports) who are participating in a swarm for that torrent (uploading/downloading data or metadata).
The first time a client ...
Why can't stash be applied to the working directory?
... you can do the following. It will switch back to your original branch and index without changing your working copy. The end result will be your additional stash changes in your working copy.
git symbolic-ref HEAD refs/heads/ORIGINALBRANCH
git reset
Background
Stashes are commits likes branches/...
Safely override C++ virtual functions
...ake the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures that I didn't accidentally declare a new function, instead of overriding the old one.
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